1s0h

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Revision as of 11:11, 8 November 2007

Image:1s0h.gif

1s0h, resolution 3.00Å

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Structure determination of haemoglobin from Donkey(equus asinus) at 3.0 Angstrom resolution

Overview

Haemoglobin from donkey was purified and crystallized in space group C2., The present donkey haemoglobin model comprises of two subunits alpha and, beta. These alpha and beta subunits comprise of 141 and 146 amino acid, residues, respectively, and the haem groups. The donkey haemoglobin, differs from horse only in two amino acids of alpha-chain (His20 to Asn, and Tyr24 to Phe) and these substitutions do not significantly change the, secondary structural features of donkey haemoglobin. The haem group region, and subunit contacts are closely resemble with that of horse, methaemoglobin.

About this Structure

1S0H is a Single protein structure of sequence from Equus asinus with HEM as ligand. Full crystallographic information is available from OCA.

Reference

Crystal structure of haemoglobin from donkey (Equus asinus) at 3A resolution., Balasundaresan D, Saraboji K, Ponnuswamy MN, Biochimie. 2006 Jun;88(6):719-23. Epub 2006 Jan 26. PMID:16488065

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